Home / 1,252,064.28-1,877,878.26-578,088.12

Finding the Fourth Proportional to 1,252,064.28, 1,877,878.26 and 578,088.12

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Solution

The fourth proportional to 1,252,064.28, 1,877,878.26 and 578,088.12 is: 867,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,064.28 : 1,877,878.26 = 578,088.12 : x
  2. Step 2: Convert to fraction form
    1,252,064.28/1,877,878.26 = 578,088.12/x
  3. Step 3: Cross multiply
    1,252,064.28x = 1,877,878.26 × 578,088.12
  4. Step 4: Simplify right side
    1,252,064.28x = 1,085,579,112,912.27
  5. Step 5: Solve for x
    x = 1,085,579,112,912.27/1,252,064.28
  6. Step 6: Final answer
    x = 867,031.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.